Results 21 to 30 of about 1,208,754 (253)

Photon-counting CT: Technical principles and clinical prospects [PDF]

, 2018
Photon-counting CT is an emerging technology with the potential to dramatically change clinical CT. Photon-counting CT uses new energy-resolving x-ray detectors, with mechanisms that differ substantially from those of conventional energy-integrating ...
Willemink, Martin J., Pelc, Norbert J., Pourmorteza, Amir, Persson, Mats, Fleischmann, Dominik   +4 more
core   +1 more source

Advanced Neuroimaging With Photon-Counting Detector CT

, 2023
Photon-counting detector computed tomography (PCD-CT) is an emerging technology and promises the next step in CT evolution. Photon-counting detectors count the number of individual incoming photons and assess the energy level of each of them.
Schubert, Tilman; https://orcid.org/, Winklhofer, Sebastian; https://orcid.org/, Abel, Frederik   +2 more
core   +1 more source

Superconducting nanowire single-photon detectors: physics and applications [PDF]

, 2012
Single-photon detectors based on superconducting nanowires (SSPDs or SNSPDs) have rapidly emerged as a highly promising photon-counting technology for infrared wavelengths.
Hadfield, Robert H, Natarajan, C.M., Natarajan, Chandra M, Tanner, M.G., Hadfield, R., Tanner, Michael Geoffrey; id_orcid   +5 more
core   +1 more source

Bone Mineral Density Quantification from Localizer Radiographs: Accuracy and Precision of Energy-integrating Detector CT and Photon-counting Detector CT [PDF]

, 2021
Background Bone mineral density (BMD) could be derived from CT localizer radiographs and could potentially enable opportunistic osteoporosis screening.
Saltybaeva, Natalia, Euler, André; https://orcid.org/, Distler, Oliver; https://orcid.org/, Nowak, Tristan; https://orcid.org/, Alkadhi, Hatem; https://orcid.org/, Schmidt, Bernhard, Eberhard, Matthias; https://orcid.org/, Frey, Diana; https://orcid.org/   +7 more
core   +1 more source

Photon-Counting CT Reconstruction With a Learned Forward Operator

, 2022
Photon-Counting CT is an emerging imaging technology that promises higher spatial resolution and the possibility for material decomposition in the reconstruction.
Persson, Mats,, Öktem, Ozan,, Strom, Emanuel, Persson, Mats, Strom, Emanuel,, Eguizabal, Alma,, Öktem, Ozan, Eguizabal, Alma   +7 more
core   +1 more source

Photon-counting x-ray detectors for CT

, 2021
The introduction of photon-counting detectors is expected to be the next major breakthrough in clinical x-ray CT. During the last decade, there has been considerable research activity in the field of photon-counting CT, in terms of both hardware ...
Danielsson, Mats,, Sjölin, Martin,, Persson, Mats,, Danielsson, Mats, Persson, Mats, Sjölin, Martin   +5 more
core   +1 more source

Evaluation of the ear ossicles with photon-counting detector CT [PDF]

, 2023
Recently, computed tomography with photon-counting detector (PCD-CT) has been developed to enable high-resolution imaging at a lower radiation dose. PCD-CT employs a photon-counting detector that can measure the number of incident X-ray photons and their
Fumiyo Higaki, Katsuhide Kojima, Noriaki Akagi, Sugaya, Akiko, Matsui, Yusuke, Yuka Takahashi, Toshihide Itoh, Kojima, Katsuhide, Akagi, Noriaki, Yudai Asano, Asano, Yudai, Takao Hiraki, Hiraki, Takao, Akiko Sugaya, Yusuke Matsui, Higaki, Fumiyo, Morimitsu, Yusuke, Takahashi, Yuka, Yusuke Morimitsu, Itoh, Toshihide   +19 more
core   +1 more source

Spectral X-Ray CT Image Reconstruction with a Combination of Energy-Integrating and Photon-Counting Detectors. [PDF]

PLoS ONE, 2016
The purpose of this paper is to develop an algorithm for hybrid spectral computed tomography (CT) which combines energy-integrating and photon-counting detectors.
Qingsong Yang, Wenxiang Cong, Yan Xi, Ge Wang   +3 more
doaj   +1 more source

Ge-on-Si single-photon avalanche diode detectors: design, modeling, fabrication, and characterization at wavelengths 1310 and 1550 nm [PDF]

, 2013
The design, modeling, fabrication, and characterization of single-photon avalanche diode detectors with an epitaxial Ge absorption region grown directly on Si are presented.
Lever, LJM, Paul, D.J., Buller, GS, Ikonic, Zoran, Warburton, Ryan E, Ikonic, Z, Myronov, Maksym, Knights, AP, Leadley, D. R. (David R.), Gallacher, Kevin, Kelsall, Robert W., Pilgrim, Neil J, Pilgrim, NJ, Paul, DJ, Myronov, M., Paul, Douglas J. (Professor of Semiconductor Devices), Allred, P, Intermite, G., Leadley, David R, Huante-Ceron, E, Kelsall, RW, Lever, Leon J M, Pilgrim, Neil J., Kelsall, R.W., Allred, P., Myronov, M, Huante-Ceron, Edgar, Lever, Leon J. M., Lever, L.J.M., Leadley, D.R., Knights, A.P., Knights, Andrew P., Allred, Phil, Ikonic, Z., Huante-Ceron, E., Warburton, RE, Knights, Andrew P, Pilgrim, N.J., Buller, G.S., Intermite, G, Paul, Douglas J, Warburton, Ryan E., Leadley, DR, Intermite, Giuseppe, Gallacher, K, Warburton, R.E., Buller, G. S. (Gerald S.), Kelsall, Robert W, Buller, Gerald Stuart   +48 more
core   +1 more source

Ultra-Fast Single-Photon Counting with Waveguide-Integrated Detectors for Quantum Technologies

, 2022
With recent advances in quantum technologies for applications such as communication, cryptography, computing, metrology and sensing, the performance and scalability of single-photon detection as a vital key component is becoming increasingly important ...
Perlot, Nicolas, Wahl, M., Bülter, A., Pernice, W.H.P., Ahangarianabhari, M., Schuck, C., Wolff, M.A., Wernicke, D., Beutel, F., Terhaar, R., Hartmann, W., Röhlicke, T., Häußler, M., Tillmann, M., Rödiger, Jasper, Walter, N.   +15 more
core   +1 more source